Duke ReadyFlex RFHU-35M Installation And Operation Manual
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Duke ReadyFlex RFHU-35M Installation And Operation Manual

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MULTIPRODUCT
MODELS
RFHU-35M
CAUTION:
WARNING for CA residents: go to www.dukemfg.com/prop65 for prop 65 warning
U.S. and Foreign Patents Pending
Please read this manual completely before attempting
to install, operate or service this equipment
This manual is Copyright © 2021 Duke Manufacturing Co. All rights reserved.
Reproduction without written permission is prohibited. Duke is a registered
trademark of the Duke Manufacturing Co.
Installation and
Operation Manual
REV C 05/20/2021
P/N 529904

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Summary of Contents for Duke ReadyFlex RFHU-35M

  • Page 1 WARNING for CA residents: go to www.dukemfg.com/prop65 for prop 65 warning This manual is Copyright © 2021 Duke Manufacturing Co. All rights reserved. Reproduction without written permission is prohibited. Duke is a registered P/N 529904 trademark of the Duke Manufacturing Co.

  • Page 2: Table Of Contents

    About ........................................15 Tools Menu......................................15 Network ......................................15 Access Menu ....................................18 Admin .........................................18 Temp Offset ......................................18 PHU Volume .....................................19 Duke Connected Equipment Platform (DCEP) Programming ................20 USB Programming ................................21 Cleaning Guide ................................23 Temperature Check Procedure ..........................25 RFHU Specification ...............................26 Wire Diagrams ................................27...

  • Page 3: Manufacturer's Introduction

    The Duke ideal holding curve, the DNA of the RFHU, has been developed, improved, and refined since Duke introduced the first product holding unit in 1999. Utilizing the innovative top and bottom patented Duke technology HeatSinksTM, extended hold times with improved food quality and consistency are achieved.

  • Page 4: Important Safety Instructions

    • This equipment should be serviced by qualified personnel only. Contact the nearest Duke authorized service facility for adjustment or repair. • Do not block or cover any openings on the unit.
  • Page 5 RFHU - Multiuse Operator’s Manual IMPORTANT SAFETY INSTRUCTIONS The following warnings and cautions appear throughout this manual and should be carefully observed. • Turn the unit off, disconnect the power source and allow unit to cool down before performing any service or maintenance on the unit. •...

  • Page 6: Installation

    RFHU - Multiuse Operator’s Manual INSTALLATION UNPACKING UNIT The following minimum clearances must be Inspect the shipping carton and/or container, maintained between the warmer and any carefully noting any exterior damage on the combustible or non-combustible substance: delivery receipt; also note any damage not evident on the outside of the shipping container (concealed Unit Clearance...

  • Page 7: Stacking Units

    RFHU - Multiuse Operator’s Manual STACKING UNITS The RFHU is designed to allow limited stacking capabilities. This section outlines how to safely stack the holding unit. Step 1 Remove the base pan from the unit that will be on top. The pan is held in place by four screws on the bottom of the unit.

  • Page 8: Rfhu Operating Instructions

    Different types of information are found on the boot screen will appear first for 2 or 3 seconds. This runtime screen. Details below. will display the Duke Logo along with the firmware version number of the RFHU. RUNTIME SCREEN When the unit first boots each well will contain a After the RFHU has loaded the runtime screen will preheating icon.
  • Page 9 RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued Each recipe is programmed with a “hold time”. The Three-day part menus are available to be selected hold time can be configured for any time between on the runtime screen. 1 minute to 540 minutes.

  • Page 10: Preheating

    RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued PREHEATING When the RFHU first boots each well will contain a preheating icon. This indicates the well is heating to temperature. When the recipe temperature is reached the preheat icon will clear and the well will be ready for use.

  • Page 11: Units With Timer Bars

    RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued Units with optional Timer bar TO ENSURE OPTIMAL HOLD QUALITY, THE USER WOULD PRESS THE BUTTON ON THE TIMER BAR CORRESPONDING WITH THE PAN LOCATION TO ACTIVATE A HOLD CYCLE. THIS STARTS THE TIMER COUNTDOWN.

  • Page 12: Rfhu Daypart Menu

    RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued RFHU DAYPART MENU WILL CYCLE THE UNIT THROUGH THE DIFFERENT DAYPARTS AND SHOW PRODUCTS ASSOCIATED WITH EACH MENU. • 1 – Breakfast • 2 – Lunch • 3 – Dinner Menu Mode 1.

  • Page 13: Settings

    RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued SETTINGS Several Settings are available on the RFHU. To enter the Settings menu click on the cog icon ( ) which is found in the lower right hand corner of the runtime screen. Menu PHU Configurator The “Menu”...

  • Page 14: Language

    RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued RFHU Recipe Editor When an individual well is pressed a list of available recipes will appear available for selection within the Selecting the “Recipe Config” option will display zone, for example: the list of local recipes currently stored on the unit.

  • Page 15: About

    RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued About Network The Network Config option will allow the RFHU The “About” screen will detail specific settings network connection to be configured. After available to the RFHU. selecting “Network Config” the following screen will load.
  • Page 16 RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued The current network selection will be highlighted, To connect to a WiFI SSID click on the SSID name. either Ethernet or WiFi. For example: The Wifi SSID password will then be required. Press anywhere within the “Enter Password”...
  • Page 17 RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued Once entered select “OK” on the on-screen keyboard followed by the check button to attempt to join the WiFi SSID. If the WiFi password is incorrect the RFHU will not join the WiFi network.

  • Page 18: Access Menu

    RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued Access Menu Temp Offset The Temperature Offset function will allow the The ACCESS menu allows a number of configuration options to be “locked” or unable to be changed. When temperature offset to be adjusted per ZONE on the selected the following screen will appear.

  • Page 19: Phu Volume

    RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued PHU Volume The PHU Volume option will either enable or disable When this screen appears the TOP and BOTTOM sound on the RFHU. current temperature offset value will appear. The actual temperature read from the RFHU for both the The slider can be moved either on or off.

  • Page 20: Duke Connected Equipment Platform (Dcep) Programming

    Recipes and well programming can also be updated be detected automatically, for example a 2x2 RFHU via Duke’s cloud solution – the Duke Connected configuration appears below. Equipment Platform (DCEP). The DCEP requires the user’s Account Name to be defined along with a user login and password.

  • Page 21: Usb Programming

    RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued A list of local recipes found on the RFHU will appear The “SHOW LEGEND” button can also be used to here. display the full recipe list for the full account. These can be edited, added, or deleted using the appropriate function which will update the connected RFHU local recipe set in real-time.
  • Page 22 RFHU - Multiuse Operator’s Manual RFHU OPERATING INSTRUCTIONS - Continued For the user’s Account an “offline recipe set” will always be available to the user. This information will be saved and be readily available if a USB file is required to be created. The RFHU Configurator is available for well programming.

  • Page 23: Cleaning Guide

    RFHU - Multiuse Operator’s Manual CLEANING GUIDE Electrical shock hazard. Do not wash with water jet or hose. DO NOT USE CAUSTIC CLEANERS, ACIDS, AMMONIA PRODUCTS OR ABRASIVE CLEANERS OR ABRASIVE CLOTHS. THESE CAN DAMAGE THE STAINLESS STEEL AND PLASTIC SURFACES.
  • Page 24 RFHU - Multiuse Operator’s Manual CLEANING GUIDE - continued PROCEDURE 1. Turn unit off, unplug, and allow to cool for 30 minutes. 2. Remove all holding pans and heat sink covers. Wash, rinse, and sanitize at the 3 compartment sink. 3.

  • Page 25: Temperature Check Procedure

    RFHU - Multiuse Operator’s Manual TEMPERATURE CHECK PROCEDURE 1. A digital temperature meter that has been 5. All temperature controls exhibit a swing in calibrated must be used to get an accurate temperature as the control cycles on and off temperature reading.

  • Page 26: Rfhu Specification

    RFHU - Multiuse Operator’s Manual RFHU SPECIFICATIONS 17.245 19.328 40.000 14.059 ELECTRICAL SPECIFICATION/CORD RATING (TOP AND BOTTOM HEAT) 208/240 V - 60Hz 220/240V - 50/60Hz Model Amps NEMA Amps RFHU-35M 17.3/20.0 L6-30P 18.3/20.0 60309 DIMENSIONS Row 1 - (2) 1/2 size pans & (2) 1/3 size pans (2.5” deep) Rows 2 &...

  • Page 27: Wire Diagrams

    RFHU - Multiuse Operator’s Manual ELC0506 Wire Diagram Rev D Model: RFHU-35M Well 1 & 2 Well 1 & 2 Well 3 & 4 Well 3 & 4 Front Display & Timer Bars Display Display Flex Flex Cable Cable Well 5 & 6 Well 5 &...
  • Page 28 RFHU - Multiuse Operator’s Manual Duke Manufacturing Co. Phone: 314-231-1130 Toll Free: 1-800-735-3853 2305 N. Broadway www.dukemfg.com Fax: 314-231-5074 St. Louis, MO 63102...

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